Another concept that is unique to Ayurveda is Prakriti (The Constitution). The physical, mental and personality characteristics of a person are known as "Prakriti" or Constitution of the person. The Prakriti is further classified into two types – physical and mental.

The Prakriti of a person is determined at the time of conception and depends upon the state of doshas at that time. The people are classified into Vata, Pitta and Kapha types. It is also common for a person to have traits of one or more doshas in his personality and that makes it twin dosha or tri dosha personalities. The seven combinations of Doshas, which lead to the following body types of humans, are classified as –